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Microgravity Science and Technology

, Volume 25, Issue 1, pp 27–33 | Cite as

Study of Edge Effect to Stop Liquid Spillage for Microgravity Application

  • Viktor GrishaevEmail author
  • A. Amirfazli
  • Sergey Chikov
  • Yuriy Lyulin
  • Oleg Kabov
Original Article

Abstract

The ability of a micro-groove to prevent the spreading of HFE-7100 fluid (C4F9OCH3) having low surface tension (γ = 13.6 mN/m) on a surface is studied. In this study, micro-grooves were made around square openings of a plate made of either polycarbonate or 316 stainless steel. To verify effectiveness of micro-grooves to stop the spread of HFE-7100, experiments were done under non-saturated and saturated conditions. Under non-saturated conditions the micro-grooves on both materials confined the liquid up to apparent angle of 55 ± 5° due to the edge effect. Saturated gas-vapor mixture with vapor mass fraction of w v = 88% and w v = 97% did not significantly influence the confinement of the liquid by the micro-groove. This result is promising for application of micro-grooved plates in CIMEX experiment planned for ISS.

Keywords

Liquid spreading Liquid pinning Edge effect Micro-groove Low surface tension Wetting 

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Copyright information

© Springer Science+Business Media B.V. 2012

Authors and Affiliations

  • Viktor Grishaev
    • 1
    Email author
  • A. Amirfazli
    • 2
  • Sergey Chikov
    • 1
  • Yuriy Lyulin
    • 1
  • Oleg Kabov
    • 3
    • 4
  1. 1.Chimie-Physique EP-CP165/62, Microgravity Research CenterUniversite Libre de BruxellesBruxellesBelgium
  2. 2.Department of Mechanical EngineeringUniversity of AlbertaEdmontonCanada
  3. 3.Institute of Thermophysics, Russian Academy of SciencesNovosibirskRussia
  4. 4.Centre of Smart IterfacesTechnische Universität DarmstadtDarmstadtGermany

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